SAMUEL OGUNGBE; SHAMSIDEEN OJOYE. Rainfall Variability, Return Periods and an ARIMA-Based Rainfall Forecasting Model for River Niger at Lokoja, Kogi State, Nigeria (1986–2020). Journal of Science Innovation and Technology Research, Nigeria, v. 13, n. 9, 2026. DOI: 10.70382/ajsitr.v13i9.084. Disponível em: https://africanscholarpub.com/ajsitr/article/view/1655.. Acesso em: 11 nov. 2026.